JPS5092100A - - Google Patents
Info
- Publication number
- JPS5092100A JPS5092100A JP49142418A JP14241874A JPS5092100A JP S5092100 A JPS5092100 A JP S5092100A JP 49142418 A JP49142418 A JP 49142418A JP 14241874 A JP14241874 A JP 14241874A JP S5092100 A JPS5092100 A JP S5092100A
- Authority
- JP
- Japan
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04G—ELECTRONIC TIME-PIECES
- G04G13/00—Producing acoustic time signals
- G04G13/02—Producing acoustic time signals at preselected times, e.g. alarm clocks
- G04G13/021—Details
- G04G13/023—Adjusting the duration or amplitude of signals
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromechanical Clocks (AREA)
- Electric Clocks (AREA)
- Alarm Systems (AREA)
- Circuits Of Receivers In General (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/423,455 US3931621A (en) | 1973-12-10 | 1973-12-10 | Variable amplitude timed alarm system |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5092100A true JPS5092100A (en) | 1975-07-23 |
Family
ID=23678966
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP49142418A Pending JPS5092100A (en) | 1973-12-10 | 1974-12-10 |
Country Status (3)
Country | Link |
---|---|
US (1) | US3931621A (en) |
JP (1) | JPS5092100A (en) |
GB (1) | GB1488896A (en) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4038561A (en) * | 1975-06-30 | 1977-07-26 | Michael Lorenz | Children's lamp |
US4055843A (en) * | 1976-02-23 | 1977-10-25 | Whitaker Ranald O | Annunciator for use with electronic digital clock |
US4173168A (en) * | 1977-10-03 | 1979-11-06 | Patrick C. Hicks | Apparatus for self teaching a musical instrument |
US4219799A (en) * | 1978-10-24 | 1980-08-26 | Weber Harold J | Vehicular signal apparatus |
US4382251A (en) | 1980-09-23 | 1983-05-03 | Casio Computer Co., Ltd. | Envelope control device for piezoelectric buzzer |
US4343043A (en) * | 1980-12-17 | 1982-08-03 | General Electric Company | Radio having a crescendo audio alarm |
GB2127245A (en) * | 1982-11-25 | 1984-04-04 | Mark Ford Newman | Apparatus for broadcasting and/ or recording a weather forecast |
DE3304514A1 (en) * | 1983-02-10 | 1984-08-16 | Deutsche Itt Industries Gmbh, 7800 Freiburg | Volume control circuit for radio alarms |
US5164729A (en) * | 1990-10-05 | 1992-11-17 | Cincinnati Microwave, Inc. | Police radar warning receiver with auto-mute function |
US5121096A (en) * | 1990-10-23 | 1992-06-09 | Moore Herbert A | Position locating device |
US5483689A (en) * | 1993-05-07 | 1996-01-09 | Bose Corporation | Radio receiving with microprocessor control |
US5712623A (en) * | 1994-11-04 | 1998-01-27 | Casio Computer Co., Ltd. | Small-sized alarm device |
CA2327130A1 (en) * | 1999-11-30 | 2001-05-30 | Salton, Inc. | Ascending or descending volume control for clock radio |
US7151458B2 (en) * | 2004-08-24 | 2006-12-19 | Anna Randolph | Discreet bed-wetting alarm and method of use thereof |
US20060286929A1 (en) * | 2005-06-21 | 2006-12-21 | Wutp, Inc. | System for universal distribution of short duration programming |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2930000A (en) * | 1957-01-22 | 1960-03-22 | Admiral Corp | Volume control circuit |
US3356949A (en) * | 1964-04-13 | 1967-12-05 | Ellis R Jones | By-pass volume control circuit for clock radios |
US3544901A (en) * | 1967-12-22 | 1970-12-01 | Gen Motors Corp | Radio volume and tone controls using field effect transistors |
US3559072A (en) * | 1968-03-18 | 1971-01-26 | Arvin Ind Inc | Electronic shut-off timers |
GB1389208A (en) * | 1971-07-05 | 1975-04-03 | Rca Corp | Delayed alarm and drowse for clock receivers |
-
1973
- 1973-12-10 US US05/423,455 patent/US3931621A/en not_active Expired - Lifetime
-
1974
- 1974-12-03 GB GB52201/74A patent/GB1488896A/en not_active Expired
- 1974-12-10 JP JP49142418A patent/JPS5092100A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
US3931621A (en) | 1976-01-06 |
GB1488896A (en) | 1977-10-12 |